<TITLE>CSPLib version history</TITLE>
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The CSPLib site is mirrored in
<A HREF="http://www.csplib.org/">England</A> and the
<A HREF="http://www.cs.cornell.edu/home/selman/csplib/"> United States</A>
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<H1>CSPLib: a problem library for constraints</H1>

<TABLE>
<TR> <TD> maintained by
     <TD ALIGN=LEFT> <A HREF="http://www.dcs.st-and.ac.uk/~ipg/">
          <B>Ian P. Gent</B></A>
          <ADDRESS><a href="mailto:ipg@cs.york.ac.uk">
          ipg@cs.york.ac.uk</a></ADDRESS>
     <TD> and     
     <TD ALIGN=LEFT> <A HREF="http://www.cs.york.ac.uk/~tw/">
          <B>Toby Walsh</B></A> 
          <ADDRESS><a href="mailto:tw@cs.york.ac.uk">
          tw@cs.york.ac.uk</a></ADDRESS>
<TR>
<TD>
with help from
     <TD ALIGN=LEFT> <A HREF="http://simon.cs.cornell.edu/home/selman/">
          <B>Bart Selman</B></A>
          <ADDRESS><a href="mailto:selman@cs.cornell.edu">
          selman@cs.cornell.edu</a></ADDRESS>
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<P>
<H1> Version history </H1>
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<tr valign=top>
<td><b>21/09/98</b> 
<td>
  <i>pre-release </i>: 
  initial design of CSPLib web pages.
<tr>
<td><b>04/03/99</b> 
<td>
  <i>official release of v1.0 </i>: 
  14 problems in 5 areas. 
<tr>
<td><b>02/10/99</b> 
<td>
  <i>official release of v2.0 </i>: 
  17 problems in 5 areas, archived 
     <A HREF="csplibv2.tar.gz">tarfile</A>.
<tr>
<td><b>30/06/00</b> 
<td>
  <i>CSPLib moves to csplib.org, official release of v2.1</i>: 
  22 problems in 5 areas, archived 
     <A HREF="csplibv2.1.tar.gz">tarfile</A>.
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